Fix some compilation warnings and enable Windows JIT (#586)

product-mini/platforms/windows/CMakeLists.txt

@@ -58,7 +58,7 @@ endif ()
 
 if (NOT DEFINED WAMR_BUILD_FAST_INTERP)
   # Enable fast interpreter
-  set (WAMR_BUILD_FAST_INTERP 1)
+  set (WAMR_BUILD_FAST_INTERP 0)
 endif ()
 
 if (NOT DEFINED WAMR_BUILD_MULTI_MODULE)

product-mini/platforms/windows/build_llvm.py

@@ -0,0 +1,69 @@
+#
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+#!/usr/bin/env python3
+import os
+import sys
+from pathlib import Path
+
+def clone_llvm():
+    llvm_dir = Path("llvm")
+    if(llvm_dir.exists() == False):
+        print("Clone llvm to core/deps/ ..")
+        for line in os.popen("git clone --branch release/11.x https://github.com/llvm/llvm-project.git llvm"):
+            print(line)
+    else:
+        print("llvm source codes already existed")
+    return llvm_dir
+
+def main():
+    current_os = sys.platform
+    print("current OS is ", current_os)
+
+    current_dir = Path.cwd()
+    deps_dir = current_dir.joinpath( "../../../core/deps")
+
+    os.chdir(deps_dir)
+    llvm_dir = clone_llvm()
+    os.chdir(llvm_dir)
+
+    build_dir_name = "win32build"
+    llvm_file = "LLVM.sln"
+
+    Path(build_dir_name).mkdir(exist_ok = True)
+    build_dir = Path(build_dir_name)
+    os.chdir(build_dir)
+
+    if ( not Path(llvm_file).exists()):
+        core_number = os.cpu_count()
+        print("Build llvm with", core_number, " cores")
+        cmd = 'cmake ../llvm \
+                -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+                -DCMAKE_BUILD_TYPE:STRING="Release" \
+                -DLLVM_TARGETS_TO_BUILD:STRING="X86;ARM;AArch64;Mips" \
+                -DLLVM_INCLUDE_GO_TESTS=OFF \
+                -DLLVM_INCLUDE_TOOLS=OFF \
+                -DLLVM_INCLUDE_UTILS=OFF \
+                -DLLVM_ENABLE_TERMINFO=OFF \
+                -DLLVM_BUILD_LLVM_DYLIB:BOOL=OFF \
+                -DLLVM_OPTIMIZED_TABLEGEN:BOOL=ON \
+                -DLLVM_ENABLE_ZLIB:BOOL=OFF \
+                -DLLVM_INCLUDE_DOCS:BOOL=OFF \
+                -DLLVM_INCLUDE_EXAMPLES:BOOL=OFF \
+                -DLLVM_INCLUDE_TESTS:BOOL=OFF \
+                -DLLVM_INCLUDE_BENCHMARKS:BOOL=OFF \
+                -DLLVM_APPEND_VC_REV:BOOL=OFF'
+        print(cmd)
+        for line in os.popen(cmd):
+            print(line)
+    else:
+        print("llvm has already been Cmaked")
+
+    print("Please open LLVM.sln in {} to build *Release* version".format(build_dir.absolute()))
+
+    os.chdir(current_dir)
+
+if __name__ == "__main__":
+    main()

product-mini/platforms/windows/main.c

@@ -118,7 +118,7 @@ app_instance_repl(wasm_module_inst_t module_inst)
    size_t n;
 
    while ((printf("webassembly> "),
-          cmd = fgets(buffer, sizeof(buffer), stdin)) != -1) {
+           cmd = fgets(buffer, sizeof(buffer), stdin)) != NULL) {
        bh_assert(cmd);
        n = strlen(cmd);
        if (cmd[n - 1] == '\n') {